Standalone tools
OSRS Tools
Check how dry you are or plan your next batch of kills. Use Barrows for its equipment rewards, or enter a fixed drop rate in the general calculator.
Barrows Drop CalculatorWith all six brothers killed, each Barrows chest gives seven reward rolls. Every roll has a 1/102 chance of Barrows equipment. For one specific item, that works out to 7/2,448 per chest.
OSRS Drop Rate CalculatorCheck a dry streak or compare your drops with a fixed drop rate. Plan more attempts with chance targets and optional time estimates.